Merge pull request #587 from hackingmaterials/dependabot/pip/pandas-1.2.2

Author: dependabot-preview[bot]

requirements.txt

@@ -7,7 +7,7 @@ paramiko==2.7.2
 tqdm==4.56.2
 pybtex==0.24.0
 ruamel.yaml==0.16.12
-pandas==1.2.1
+pandas==1.2.2
 pymatgen==2021.2.14
 custodian==2021.2.8
 networkx==2.5